18841653

素因数分解:

$3^4\times {\mathrm{457}}^1\times {\mathrm{509}}^1$

素因数の和:978

約数の個数: 20

約数和(自身を含む): 28263180

約数和(自身を除く): 9421527

約数列:

[1, 3, 9, 27, 81, 457, 509, 1371, 1527, 4113, 4581, 12339, 13743, 37017, 41229, 232613, 697839, 2093517, 6280551, 18841653]

約数ペア:

[(1, 18841653), (3, 6280551), (9, 2093517), (27, 697839), (81, 232613), (457, 41229), (509, 37017), (1371, 13743), (1527, 12339), (4113, 4581)]